This followed
commit 53d884a6675b ("mm, tracing: unify PFN format strings")
to add page info.
In many kernel code we are talking with page other than pfn,
here we added page algin with pfn.
Signed-off-by: Kassey Li <quic_yingangl@xxxxxxxxxxx>
---
include/trace/events/page_ref.h | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/include/trace/events/page_ref.h b/include/trace/events/page_ref.h
index fe33a255b7d0..76df13b2a5b3 100644
--- a/include/trace/events/page_ref.h
+++ b/include/trace/events/page_ref.h
@@ -18,6 +18,7 @@ DECLARE_EVENT_CLASS(page_ref_mod_template,
TP_STRUCT__entry(
__field(unsigned long, pfn)
+ __field(const struct page *, page)
__field(unsigned long, flags)
__field(int, count)
__field(int, mapcount)
@@ -28,6 +29,7 @@ DECLARE_EVENT_CLASS(page_ref_mod_template,
TP_fast_assign(
__entry->pfn = page_to_pfn(page);
+ __entry->page = page;
__entry->flags = page->flags;
__entry->count = page_ref_count(page);
__entry->mapcount = atomic_read(&page->_mapcount);
@@ -36,8 +38,9 @@ DECLARE_EVENT_CLASS(page_ref_mod_template,
__entry->val = v;
),
- TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d",
+ TP_printk("pfn=0x%lx page=%p flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d",
__entry->pfn,
+ __entry->page,
show_page_flags(__entry->flags & PAGEFLAGS_MASK),
__entry->count,
__entry->mapcount, __entry->mapping, __entry->mt,
@@ -66,6 +69,7 @@ DECLARE_EVENT_CLASS(page_ref_mod_and_test_template,
TP_STRUCT__entry(
__field(unsigned long, pfn)
+ __field(const struct page *, page)
__field(unsigned long, flags)
__field(int, count)
__field(int, mapcount)
@@ -77,6 +81,7 @@ DECLARE_EVENT_CLASS(page_ref_mod_and_test_template,
TP_fast_assign(
__entry->pfn = page_to_pfn(page);
+ __entry->page = page;
__entry->flags = page->flags;
__entry->count = page_ref_count(page);
__entry->mapcount = atomic_read(&page->_mapcount);
@@ -86,8 +91,9 @@ DECLARE_EVENT_CLASS(page_ref_mod_and_test_template,
__entry->ret = ret;
),
- TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d ret=%d",
+ TP_printk("pfn=0x%lx page=%p flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d ret=%d",
__entry->pfn,
+ __entry->page,
show_page_flags(__entry->flags & PAGEFLAGS_MASK),
__entry->count,
__entry->mapcount, __entry->mapping, __entry->mt,
--
2.25.1
